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Electrical Engineering Objective Questions { Control System }



120.  The minimum phase transfer function is oile having
A. poles and zeros in RHS
B. poles and zeros in LHS
C. poles in LHS and zeros in RHS
D. poles in RI1S and zeros in RHS
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121.  A transfer function with one or more zeros in the RHS plane is called
A. minimum phase transfer function
B. all pass transfer function
C. non-minimum phase transfer function
D. none of these
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122.  An octave frequency range given by co2ko1 is equal to 360?
A.2
B.4
C.6
D.10
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123.  A decade frequency range given by co21o)1 equal to is
A.2
B.4
C.6
D.10
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124.  For type three system, the lowest frequency asymptote will have the slope of
A. ?20 dB/octave
B. ?6 dB/ocatave
C. ?12 dB/octave
D. ?18 dB/octave
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125.  The response of a control system increases in magnitude with time
A. if all the roots are in the RHS of s-plane
B. if there are more roots on the RHS than on LHS
C. if one or more roots are found in RHS of s-plane
D. none of these
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126.  Which of the following gives information regarding difference in the number of poles and zeros of a closed loop transfer function?
A. Root locus method
B. Bode diagram
C. Nyquist diagram
D. Routh Hurwitz criterion
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